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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 323979 $ -->
<refentry xml:id="function.cubrid-fetch-field" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>cubrid_fetch_field</refname>
<refpurpose>Get column information from a result and return as an object</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>object</type><methodname>cubrid_fetch_field</methodname>
<methodparam><type>resource</type><parameter>result</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>field_offset</parameter><initializer>0</initializer></methodparam>
</methodsynopsis>
<para>
This function returns an object with certain properties of the specific
column. The properties of the object are:
</para>
<para>
<variablelist>
<varlistentry>
<term><parameter>name</parameter></term>
<listitem><para>column name</para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>table</parameter></term>
<listitem><para>name of the table that the column belongs to</para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>def</parameter></term>
<listitem><para>default value of the column</para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>max_length</parameter></term>
<listitem><para>maximum length of the column</para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>not_null</parameter></term>
<listitem><para>1 if the column cannot be NULL</para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>primary_key</parameter></term>
<listitem><para>1 if the column is a primary key</para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>unique_key</parameter></term>
<listitem><para>1 if the column is an unique key</para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>multiple_key</parameter></term>
<listitem><para>1 if the column is a non-unique key</para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>numeric</parameter></term>
<listitem><para>1 if the column is numeric</para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>blob</parameter></term>
<listitem><para>1 if the column is a BLOB</para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>type</parameter></term>
<listitem><para>the type of the column</para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>unsigned</parameter></term>
<listitem><para>1 if the column is unsigned</para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>zerofill</parameter></term>
<listitem><para>1 if the column is zero-filled</para></listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>result</parameter></term>
<listitem><para><parameter>result</parameter> comes from a call to <function>cubrid_execute</function></para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>field_offset</parameter></term>
<listitem><para>
The numerical field offset. If the field offset is not specified, the
next field (that was not yet retrieved by this function) is retrieved.
The <parameter>field_offset</parameter> starts at 0.
</para></listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Object with certain properties of the specific column, when process is successful.
</para>
<para>
&false; on failure.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title><function>cubrid_fetch_field</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$conn = cubrid_connect("localhost", 33000, "demodb");
$req = cubrid_execute($conn, "SELECT event_code,athlete_code,nation_code,game_date FROM game WHERE host_year=1988 and event_code=20001;");
var_dump(cubrid_fetch_row($req));
cubrid_field_seek($req, 1);
$field = cubrid_fetch_field($req);
printf("\n--- Field Properties ---\n");
printf("%-30s %s\n", "name:", $field->name);
printf("%-30s %s\n", "table:", $field->table);
printf("%-30s \"%s\"\n", "default value:", $field->def);
printf("%-30s %d\n", "max length:", $field->max_length);
printf("%-30s %d\n", "not null:", $field->not_null);
printf("%-30s %d\n", "primary key:", $field->primary_key);
printf("%-30s %d\n", "unique key:", $field->unique_key);
printf("%-30s %d\n", "multiple key:", $field->multiple_key);
printf("%-30s %d\n", "numeric:", $field->numeric);
printf("%-30s %d\n", "blob:", $field->blob);
printf("%-30s %s\n", "type:", $field->type);
printf("%-30s %d\n", "unsigned:", $field->unsigned);
printf("%-30s %d\n", "zerofill:", $field->zerofill);
cubrid_close_request($req);
cubrid_disconnect($conn);
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
array(4) {
[0]=>
string(5) "20001"
[1]=>
string(5) "16681"
[2]=>
string(3) "KOR"
[3]=>
string(9) "1988-9-30"
}
--- Field Properties ---
name: athlete_code
table: game
default value: ""
max length: 0
not null: 1
primary key: 1
unique key: 1
multiple key: 0
numeric: 1
blob: 0
type: integer
unsigned: 0
zerofill: 0
]]>
</screen>
</example>
</refsect1>
</refentry>
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